CBSE 12th

I think your question is wrong you 140 cut off marks in entrance exam, by the way I will give a link that will help you to find the college according to your rank:
https://www.resonance.ac.in/reso/news/JEE-Main-Branch-Predictor.aspx

Definitely B.Tech is better than B.Sc because it has good scope than B.Sc, if you go for B.Sc you'll get low salary and you can go for research but if you go for B.Tech, you can go for anything you need and you'll get a good salary.
choose wisely.

It depends now on your biology degree which you hold. If you want to go by trend, I suggest that you should proceed with nutritional sciences for clinical aspect or microbiology or biochemistry for non-clinical aspect and it shall suffice your desire, but it all depends on your present qualification status.

You can do full-time Diploma in Engineering along with class 12th board in private mode. It will require extra effort and if you have the will to do both simultaneously without impacting your academic performance in both the courses, you may go ahead.

See in CBSE, since before, NCERT numerical problems are always tweaked to make it simpler or difficult, but the main aim is to make everyone score 52+ out 70 in theory so numerical problems are in average count usually. So in physics, 40% are numerical requiring least derivations 20-30% need a bit of derivation ideology too & lots in chemistry are simple NCERT modified ones that also not to a great extent. Still, check the sample papers issued by CBSE just before exams. Many problems turn common with slight modifications.

Hello Harshita,
12th from NIOS is considered as equivalent to any other 12th. Hence you would normally be qualified to join degree course for journalism. Of course assuming you fulfil other eligibility criterias if any.

Banking as a career provides many chances for employment and promotion as well. Before making up your mind for Bank PO position, you need to know the eligibility criteria to appear in the exam.
Qualification Eligibility
If you wish to appear for the exam you should have a degree (graduation) in any discipline from a university recognized by the Govt. of India or any equivalent qualification recognized as such by the Central Government.
Age Eligibility:
The age should be between 20 to 30 years.
You should pursue any of the Bachelor's degrees like B.Sc. , B.Tech or B.Com in the stream of your interest.

Hi Helena,
There is no such course which is specifically designed for girls only. Know your interests and career goals and follow your passion.